1/*
2 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 4997227
27 * @summary Calling inheritedChannel() after FileDescriptor.in was closed
28 *          caused an InternalError to be thrown.
29 * @build ClosedStreams
30 * @run main/othervm ClosedStreams
31 */
32
33import java.io.FileDescriptor;
34import java.io.FileInputStream;
35import java.io.IOException;
36
37public class ClosedStreams {
38    public static void main(String args[]) throws IOException {
39
40        // close FileDescriptor.in
41        (new FileInputStream(FileDescriptor.in)).close();
42
43        // get the inherited channel
44        if (System.inheritedChannel() != null) {
45            throw new RuntimeException("inherited channel not null - unexpected!");
46        }
47    }
48}
49